10 Best Marine Holding Tank Treatments
for January 2023

MOOZ's editors independently choose recommendations. Purchases made through our links may earn us commissions.

1
9.9
SCORE
Green Gobbler Holding Tank Deodorizer and Treatment | RV, Marine & Porta Potty Treatment | Prevents Clogs & Waste Build-Up (10 Pod Pouch)

Green Gobbler Holding Tank and Deodorizer Treatment

by EcoClean Solutions Inc
What We like

EASY TO USE - All it takes is you dropping one pre-measured pod into the toilet & flushing. It doesnt get simpler than that!

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Product Features

  • PREVENT CLOGS - Prevent obnoxious clogs from building up and wreaking havoc on your system.
  • DIGEST WASTE - Eliminate waste and matter build-up with our maximum strength, waste digesting technology
  • ELIMINATE ODORS - Get rid of the nauseating stench that comes from your portable toilet with our long-term odor preventing formula.
2
9.7
SCORE
Firebelly Outfitters RV Septic Tank Treatment, Holding Tank Deodorizer, Sewer Solution - 20 Packets, Mulberry Scent - Marine, Camper, Portable Toilet Odor Eliminator, Formaldehyde Free, USA

Firebelly Outfitters RV Septic Tank Holding Treatment, Tank Deodorizer, Sewer Solution

by Firebelly Outfitters
What We like

SEPTIC SAFE RV CHEMICALS - One of your most important RV accessories or camping accessories is an RV septic treatment! Powerful rv sewer solution thats safe on toilet parts, drains and rv sewer tanks. Our waste treatment deodorizer works to safely deodorize your black water tanks and rv sewer hose while breaking down rv toilet paper. Truly one of the best rv camper accessories for indoors

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Product Features

  • NON FORMALDEHYDE RV WASTE TREATMENT - Our family loves camping and we love our environment too. That's why our rv toilet accessories are Formaldehyde Free and Biodegradable so we can preserve the great outdoors for generations to come. Just drop in our portable toilet chemical as a camper holding tank deodorizer, rv toilet deodorizer, and bathroom deodorizer so you can enjoy the great indoors while preserving the camping world we live in
  • RV TOILET DEODORIZER, RV SEPTIC SYSTEM TREATMENT - 20 Ultra Concentrated Deodorizing Packets per bag in a fresh mulberry scent to deodorize rv sewer tanks and help break down fast dissolve toilet paper. Simply toss-in (1) holding tank treatment pack per 40 gallon black waste water tank in any travel trailer, porta potty, camper holding tank, boat holding tank, marine holding tank, rv sewer tank, camping toilet, motorhome, 5th wheel, or portable potty as a septic odor eliminator
  • SUPER CONCENTRATED TOILET ODOR REMOVER - Our toilet deodorizers are formulated with triple molecular technology to provide superior odor control that lasts longer than most RV toilet tank cleaner tablets by encapsulating and neutralizing the odor. With 20 rv toilet tablets per bag, our toilet detergent can keep your RV septic cleaner, your toilet cleaner, and your bathroom smelling fresh for less money. Quick and easy to use, rapid dissolve, premeasured packs with no measuring and no mess
3
9.2
SCORE
Camco TST Clean Scent Marine Head Toilet Treatment, Formaldehyde Free, Breaks Down Waste and Tissue, Treats up to 16 - 40 Gallon Holding Tanks (32 Ounce Bottle) - 41362

Camco TST Clean Scent Marine Head Toilet Treatment, Formaldehyde Breaks Free, Down Waste and Tissue, Treats up to 16

by Camco
What We like

32 ounces

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Product Features

  • 2oz treats a 40 gallon holding tank
  • Formaldehyde free and environmentally safe - 100% biodegradable
  • Breaks down waste, stops odors and leaves a fresh scent
  • Safe for marine applications
4
9
SCORE
West Marine ExterminOdor Head and Holding Tank Treatment Toilet Cleaner (Gallon)

West Marine ExterminOdor Head and Tank Holding Treatment Toilet Cleaner (Gallon)

by West Marine
What We like

Powerful Odor Blocker

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Product Features

  • Formaldehyde - Free
  • Dosage: Four ounces treat a 20-gallon holding tank
  • Fresh Mint Scent
  • Breaks down waste and tissue
5
8.9
SCORE
Roebic RVM-Q-6 RV & Marine Holding Tank Treatment, 32 oz

Roebic RVM-Q-6 RV & Holding Marine Tank Treatment

by Roebic Laboratories
What We like

Economical to use

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Product Features

  • Bacteria liquefy waste rapidly
  • Controls odors
  • Long shelf life
  • A select blend of active bacteria that reduces solids
  • Breaks up fats and grease
6
8.7
SCORE
GREEN PIG RV and Marine Holding Tank Treatment, 1 Gallon

GREEN PIG RV and Holding Marine Tank Treatment

by GREEN PIG
What We like

Made in the USA

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Product Features

  • Flush 2 to 4 ounces every few days, depending on usage and capacity
  • Assist in breakdown of organic matter, making it easier to pump
  • Safe and natural, won't harm the environment or the systems' gauges, valves and seals
7
7.4
SCORE
Unique Marine Digest-It Boat Black Water Holding Tank Deodorizer 16 Liquid Toilet Treatments, 32 oz. - 441-1

Unique Marine Digest-It Boat Black Water Holding Deodorizer Tank 16 Liquid Toilet Treatments, 32 oz.

by Unique Manufacturing- Home
What We like

SAFE & EFFECTIVE FORMULA. Get maximum results from a treatment that is safe for your family and the earth. No overpowering fragrances. No toxic chemicals. No worries! Contains no formaldehyde. Proudly made in the USA.

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Product Features

  • DIGESTS SOLID WASTE INSIDE TANKS. Liquifies sewage, all brands of toilet paper and residual sludge from years of build-up in black, gray and galley tanks for easier, more thorough pump outs.
  • STRONGEST ALL-AROUND TREATMENT. Breaks down waste AND eliminates odors in holding tanks. Proprietary formula contains billions of enzymes and microbes in each treatment. Works in salt water systems!
  • HELPS PREVENT SENSOR MALFUNCTION. Dissolves paper and solid waste that can cling to tank sensors and level gauges, preventing misreads.
  • ELIMINATES FOUL TANK ODORS at their source without masking with overpowering fragrances. Powerful enzymes and microbes work to eradicate odors safely and naturally.
8
7.4
SCORE
Thetford 10801 Aqua-KEM Original-Holding Tank Treatment-Deodorizer-Waste Digester-Detergent - 8 Ounce Bottles 6 Pack

Thetford 10801 Aqua-KEM Tank Original-Holding Treatment-Deodorizer-Waste Digester-Detergent

by Thetford
What We like

Powerful detergents clean tank walls and drain lines

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Product Features

  • For use in all freshwater flush, re circulating, and portable toilets
  • Liquefies waste and breaks down tissue fast to prevent clogging
  • Six, pre-measured bottles in each pack; A complete lineup of convenient forms for maximum ease of use
  • Concentrated holding tank deodorant chemically neutralizes odors instantly
  • The Most Powerful Odor Control Available on the Market Today
9
7.4
SCORE
Unique RV Digest-It Holding Tank Treatment - Liquid Toilet Treatment (16 Treatments, 32 oz.) - 413-az

Unique RV Digest-It Tank Holding Treatment

by Unique Manufacturing & Marketing
What We like

SAFE & EFFECTIVE. Contains no formaldehyde or bronopol. Safe for your family and pets. Safe and beneficial for septic systems at home or at campgrounds. Complies with all state dumping laws. No overpowering fragrances. No toxic chemicals. No worries!

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Product Features

  • BREAKS DOWN SOLID WASTE INSIDE TANKS. Liquifies human waste and all brands of toilet paper. Digests residual sludge from years of build-up. Works in black and gray tanks.
  • ELIMINATES TOILET & TANK ODORS without masking. Extra strength microbe / enzyme formula eliminates odors at their source without covering them with overpowering perfumes.
  • HELPS PREVENT SENSOR MALFUNCTION. Cleans and removes solid waste and paper that clings to sensor probes, preventing misreads.
  • THE STRONGEST, ALL-AROUND TREATMENT. Breaks down waste AND eliminates odors in RV holding tanks. Proprietary formula contains billions of active enzymes and microbes per treatment. Proudly made in the USA.
10
7.1
SCORE
GREEN PIG RV and Marine Holding Tank Treatment, 1 Quart

GREEN PIG RV and Holding Marine Tank Treatment

by GREEN PIG
What We like

Made in the USA

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Product Features

  • Safe and natural, won't harm the environment or the systems' gauges, valves and seals
  • Flush 2 to 4 ounces every few days, depending on usage and capacity
  • Assist in breakdown of organic matter, making it easier to pump

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